Live casino platforms use low-latency streaming to show real dealers in real...

https://foxtrot-wiki.win/index.php/What_Does_End-to-End_Latency_Mean_in_Live_Dealer_Streaming%3F

Live casino platforms use low-latency streaming to show real dealers in real time without delay. They use WebSockets to instantly send your bets so the game knows quickly what you’re doing